![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
要在一个接口上配置 IP地址和子网掩码,正确的命令是哪个
A.
Switch ( config ) #ip address 192.168.1.1
B.
Switch ( config-if ) #ip address 192.168.1.1
C.
Switch ( config-if ) #ip address 192.168.1.1 255.255.255.0
D.
Switch ( config-if ) #ip address 192.168.1.1 netmask 255.255.255.0